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Applied research in the area of Geographic Information System Technology (GIS) is focused on the development of Open GIS solutions. Current work concentrates on Indoor GIS location and routing problems. Another initiative will examine a GIS 'wiki-web' concept that allows GIS data updates by the general internet community. One of the ongoing projects is developing a prototype wireless GIS service named GeoRanger that delivers location-based information to cell-phone or PDA mobile users whose exact indoor location is obtained using RFID.